Documentation cleanup of artifacts section in Gitlab CI Readme
Documentation cleanup of artifacts section in Gitlab CI Readme

- Added notice about build artifacts not beeing collected on failed builds.
- Removed "introduced in 0.7.0" for artifacts section.
- Made windows notice more precise

daiyu/gitlab-zh,larryli/gitlabhq,Soullivaneuh/gitlabhq,jrjang/gitlab-ce,shinexiao/gitlabhq,jrjang/gitlabhq,SVArago/gitlabhq,screenpages/gitlabhq,dreampet/gitlab,htve/GitlabForChinese,iiet/iiet-git,mr-dxdy/gitlabhq,stoplightio/gitlabhq,icedwater/gitlabhq,ttasanen/gitlabhq,stoplightio/gitlabhq,daiyu/gitlab-zh,martijnvermaat/gitlabhq,jrjang/gitlab-ce,yatish27/gitlabhq,mr-dxdy/gitlabhq,openwide-java/gitlabhq,martijnvermaat/gitlabhq,shinexiao/gitlabhq,axilleas/gitlabhq,mmkassem/gitlabhq,mmkassem/gitlabhq,larryli/gitlabhq,htve/GitlabForChinese,dplarson/gitlabhq,mmkassem/gitlabhq,ttasanen/gitlabhq,dwrensha/gitlabhq,dplarson/gitlabhq,dplarson/gitlabhq,iiet/iiet-git,jrjang/gitlabhq,shinexiao/gitlabhq,screenpages/gitlabhq,Soullivaneuh/gitlabhq,martijnvermaat/gitlabhq,jirutka/gitlabhq,LUMC/gitlabhq,dwrensha/gitlabhq,yatish27/gitlabhq,stoplightio/gitlabhq,openwide-java/gitlabhq,dreampet/gitlab,t-zuehlsdorff/gitlabhq,axilleas/gitlabhq,darkrasid/gitlabhq,larryli/gitlabhq,dplarson/gitlabhq,t-zuehlsdorff/gitlabhq,t-zuehlsdorff/gitlabhq,icedwater/gitlabhq,jirutka/gitlabhq,SVArago/gitlabhq,allysonbarros/gitlabhq,iiet/iiet-git,allysonbarros/gitlabhq,SVArago/gitlabhq,dreampet/gitlab,iiet/iiet-git,icedwater/gitlabhq,LUMC/gitlabhq,yatish27/gitlabhq,martijnvermaat/gitlabhq,daiyu/gitlab-zh,allysonbarros/gitlabhq,shinexiao/gitlabhq,jrjang/gitlabhq,screenpages/gitlabhq,Soullivaneuh/gitlabhq,dwrensha/gitlabhq,t-zuehlsdorff/gitlabhq,jrjang/gitlab-ce,jrjang/gitlabhq,jirutka/gitlabhq,darkrasid/gitlabhq,ttasanen/gitlabhq,icedwater/gitlabhq,dwrensha/gitlabhq,htve/GitlabForChinese,darkrasid/gitlabhq,axilleas/gitlabhq,darkrasid/gitlabhq,openwide-java/gitlabhq,jrjang/gitlab-ce,LUMC/gitlabhq,screenpages/gitlabhq,ttasanen/gitlabhq,jirutka/gitlabhq,dreampet/gitlab,openwide-java/gitlabhq,larryli/gitlabhq,Soullivaneuh/gitlabhq,LUMC/gitlabhq,allysonbarros/gitlabhq,stoplightio/gitlabhq,mr-dxdy/gitlabhq,mr-dxdy/gitlabhq,SVArago/gitlabhq,daiyu/gitlab-zh,mmkassem/gitlabhq,htve/GitlabForChinese,yatish27/gitlabhq,axilleas/gitlabhq